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Completed Phase 3 Interventional Results available

A Study of Coformulated Favezelimab/Pembrolizumab (MK-4280A) Versus Standard of Care in Subjects With Previously Treated Metastatic PD-L1 Positive Colorectal Cancer (MK-4280A-007)

ClinicalTrials.gov ID: NCT05064059

Public ClinicalTrials.gov record NCT05064059. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 23, 2026, 1:17 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 3 Study of MK-4280A (Coformulated Favezelimab [MK-4280] Plus Pembrolizumab [MK-3475]) Versus Standard of Care in Previously Treated Metastatic PD-L1 Positive Colorectal Cancer (KEYFORM-007)

Study identification

NCT ID
NCT05064059
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Enrollment
441 participants

Conditions and interventions

Interventions

  • favezelimab/pembrolizumab Biological
  • regorafenib Drug
  • TAS-102 Drug

Biological · Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Nov 9, 2021
Primary completion
Aug 14, 2024
Completion
Feb 20, 2025
Last update posted
May 25, 2026

2021 – 2025

United States locations

U.S. sites
15
U.S. states
12
U.S. cities
14
Facility City State ZIP Site status
Georgetown University Hospital ( Site 1148) Washington D.C. District of Columbia 20007
Sibley Memorial Hospital ( Site 1143) Washington D.C. District of Columbia 20016
Northwest Georgia Oncology Centers, a Service of Wellstar Cobb Hospital-Research ( Site 1118) Marietta Georgia 30060
Norton Cancer Institute ( Site 1139) Louisville Kentucky 40217
Rutgers Cancer Institute of New Jersey ( Site 1105) New Brunswick New Jersey 08903
Memorial Sloan Kettering Cancer Center ( Site 1703) New York New York 10065
Oregon Health & Science University ( Site 1141) Portland Oregon 97239
MUSC Hollings Cancer Center ( Site 1715) Charleston South Carolina 29425
The West Clinic, PLLC dba West Cancer Center ( Site 1149) Germantown Tennessee 38138
UT Southwestern Medical Center ( Site 1709) Dallas Texas 75390-9063
Intermountain Medical Center ( Site 1707) Murray Utah 84107
Inova Schar Cancer Institute ( Site 1130) Fairfax Virginia 22031
VCU Health Adult Outpatient Pavillion ( Site 1712) Richmond Virginia 23219
Blue Ridge Cancer Care ( Site 1718) Roanoke Virginia 24014
Seattle Cancer Care Alliance ( Site 1107) Seattle Washington 98109

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 137 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05064059, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted May 25, 2026 · Synced Jul 23, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05064059 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →